diff --git a/path/path.php b/path/path.php
index e17d90f..92472ff 100644
--- a/path/path.php
+++ b/path/path.php
@@ -1,16 +1,54 @@
 <?php
+/**
+ * System - PHP Framework
+ *
+ * PHP Version 5.6
+ *
+ * @copyright   2016 Ulf Gebhardt (http://www.webcraft-media.de)
+ * @license     http://www.opensource.org/licenses/mit-license.php MIT
+ * @link        https://github.com/webcraftmedia/system
+ * @package     SYSTEM\PATH
+ */
 namespace SYSTEM;
+
+/**
+ * Path Class provided by System to provide a unified path approach.
+ */
 class PATH {
+    /** array Variable to store the base path object of the path object */
     private $basepath = NULL;
+    /** array Variable to store the path of the path object */
     private $path = NULL;
+    /** array Variable to store the sub path of the path object */
     private $subpath = NULL;
+    
+    /**
+     * Construct the path with given basepath, path and subpath
+     *
+     * @param \SYSTEM\PATH $basepath Basepath
+     * @param string $path Path
+     * @param string $subpath Subpath
+     */
     public function __construct(\SYSTEM\PATH $basepath, $path, $subpath = '') {
         $this->basepath = $basepath;
         $this->path = $path;
         $this->subpath = $subpath;
     }
+    
+    /**
+     * Calculate Serverpath of the given pathobject
+     *
+     * @return string Serverpath of the given pathobject
+     */
     public function SERVERPATH(){
         return $this->basepath->SERVERPATH().$this->path.$this->subpath;}
+        
+    /**
+     * Calculate Webpath of the given pathobject
+     *
+     * @param bool $mask Mask the path using System cache functionality
+     * @return string Webpath of the given pathobject
+     */
     function WEBPATH($mask = true){
         if($mask){
             $path = $this->basepath->SERVERPATH().$this->path.$this->subpath;
@@ -22,11 +60,32 @@ class PATH {
     }
 }
 
+/**
+ * Root Path Class provided by System.
+ */
 class PROOT extends PATH {
+    /**
+     * Construct the path with given subpath
+     *
+     * @param string $subpath Subpath
+     */
     public function __construct($subpath = '') {
         $this->subpath = $subpath;}
+        
+    /**
+     * Calculate Serverpath of the root path object
+     *
+     * @return string Serverpath of the given pathobject
+     */
     public function SERVERPATH(){
         return \SYSTEM\CONFIG\config::get(\SYSTEM\CONFIG\config_ids::SYS_CONFIG_PATH_BASEPATH).$this->subpath;}
+        
+    /**
+     * Calculate Webpath of the root path object
+     *
+     * @param bool $mask Mask the path using System cache functionality
+     * @return string Webpath of the given pathobject
+     */
     function WEBPATH($mask = true){
         if($mask){
             $path = \SYSTEM\CONFIG\config::get(\SYSTEM\CONFIG\config_ids::SYS_CONFIG_PATH_BASEURL).$this->subpath;
@@ -38,22 +97,54 @@ class PROOT extends PATH {
     }
 }
 
+/**
+ * System Path Class provided by System.
+ */
 class PSYSTEM extends PATH {
+    /**
+     * Construct the path with given subpath
+     *
+     * @param string $subpath Subpath
+     */
     public function __construct($subpath = '') {
         parent::__construct(new \SYSTEM\PROOT(), \SYSTEM\CONFIG\config::get(\SYSTEM\CONFIG\config_ids::SYS_CONFIG_PATH_SYSTEMPATHREL), $subpath);}
 }
 
+/**
+ * System SAI Path Class provided by System.
+ */
 class PSAI extends PATH {
+    /**
+     * Construct the path with given subpath
+     *
+     * @param string $subpath Subpath
+     */
     public function __construct($subpath = '') {
         parent::__construct(new \SYSTEM\PSYSTEM(), 'sai/', $subpath);}
 }
 
+/**
+ * System Lib Path Class provided by System.
+ */
 class PLIB extends PATH {
+    /**
+     * Construct the path with given subpath
+     *
+     * @param string $subpath Subpath
+     */
     public function __construct($subpath = '') {
         parent::__construct(new \SYSTEM\PSYSTEM(), 'lib/', $subpath);}
 }
 
+/**
+ * System SQL Path Class provided by System.
+ */
 class PSQL extends PATH {
+    /**
+     * Construct the path with given subpath
+     *
+     * @param string $subpath Subpath
+     */
     public function __construct($subpath = '') {
         parent::__construct(new \SYSTEM\PSYSTEM(), 'sql/', $subpath);}
 }
\ No newline at end of file